Home / 1,409,662,173.60-2,114,493,260.40-858,664,144.80

Finding the Fourth Proportional to 1,409,662,173.60, 2,114,493,260.40 and 858,664,144.80

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Solution

The fourth proportional to 1,409,662,173.60, 2,114,493,260.40 and 858,664,144.80 is: 1,287,996,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,662,173.60 : 2,114,493,260.40 = 858,664,144.80 : x
  2. Step 2: Convert to fraction form
    1,409,662,173.60/2,114,493,260.40 = 858,664,144.80/x
  3. Step 3: Cross multiply
    1,409,662,173.60x = 2,114,493,260.40 × 858,664,144.80
  4. Step 4: Simplify right side
    1,409,662,173.60x = 1,815,639,547,126,729,728
  5. Step 5: Solve for x
    x = 1,815,639,547,126,729,728/1,409,662,173.60
  6. Step 6: Final answer
    x = 1,287,996,217.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.